100345204542 has 32 divisors (see below), whose sum is σ = 225997415424. Its totient is φ = 29426745600.

The previous prime is 100345204529. The next prime is 100345204559. The reversal of 100345204542 is 245402543001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24520243 + ... + 24524334.

It is an arithmetic number, because the mean of its divisors is an integer number (7062419232).

Almost surely, 2^100345204542 is an apocalyptic number.

100345204542 is an abundant number, since it is smaller than the sum of its proper divisors (125652210882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100345204542 is a wasteful number, since it uses less digits than its factorization.

100345204542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49044624.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 100345204542 its reverse (245402543001), we get a palindrome (345747747543).

The spelling of 100345204542 in words is "one hundred billion, three hundred forty-five million, two hundred four thousand, five hundred forty-two".